#include <stdio.h>

int bar(void)
{
	return 2;
}

int sum(int x, int y)
{
	return x+y;
}

int main(int argc, char**argv)
{
    int ret;
	ret = bar();
	printf("bar = %d\n",ret);
	ret = sum(1,2);
	printf("sum(1,2) = %d\n",ret);
	return 0;
}
